qemu/tests/tcg/loongarch64/test_fpcom.c
Song Gao 500cd33abb tests/tcg/loongarch64: Add fp comparison instructions test
Choose some instructions to test:
- FCMP.cond.S
- cond: ceq clt cle cne seq slt sle sne

Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220716085426.3098060-8-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-19 22:54:56 +05:30

38 lines
1.0 KiB
C

#include <assert.h>
#define TEST_COMP(N) \
void test_##N(float fj, float fk) \
{ \
int rd = 0; \
\
asm volatile("fcmp."#N".s $fcc6,%1,%2\n" \
"movcf2gr %0, $fcc6\n" \
: "=r"(rd) \
: "f"(fj), "f"(fk) \
: ); \
assert(rd == 1); \
}
TEST_COMP(ceq)
TEST_COMP(clt)
TEST_COMP(cle)
TEST_COMP(cne)
TEST_COMP(seq)
TEST_COMP(slt)
TEST_COMP(sle)
TEST_COMP(sne)
int main()
{
test_ceq(0xff700102, 0xff700102);
test_clt(0x00730007, 0xff730007);
test_cle(0xff70130a, 0xff70130b);
test_cne(0x1238acde, 0xff71111f);
test_seq(0xff766618, 0xff766619);
test_slt(0xff78881c, 0xff78901d);
test_sle(0xff780b22, 0xff790b22);
test_sne(0xff7bcd25, 0xff7a26cf);
return 0;
}